tests: Add basic IP allocation tests #186
Merged
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I've added some basic tests for automatic allocation of IP addresses for OVN network forwards and load balancers.
I've found it difficult to make these tests more extensive because the allocated IPs are random but the tests rely on hardcoded IPs. To avoid collisions we need to keep track of whether or not forwards/load balancers have been created with allocated IPs (by the API extension) and delete them before creating new forwards/load balancers with a fixed IP on any network using the same uplink.
I think it's fine for now to just ensure they can be created/deleted and that new ones can't be created with the same IP. There is no difference in code path/functionality between allocated/fixed IP after initial creation.